Piston holster



FIG. 1 an isometric view of the pistol holster showing my new design;

FIG. 2 is a front, elevational view thereof;

FIG. 3 is a bottom, plan view thereof;

FIG. 4 is a top, plan view thereof;

FIG. 5 is a rear, elevational view thereof;

FIG. 6 is a right side, elevational view thereof; and

FIG. 7 is a left side, elevational view thereof. 

The ornamental design for a pistol holster, substantially as shown. 